Chopra’s YRF Entertainment is fully financing the pic, which boasts a script that appeared on the 2011 Black List. Kidman is set to play “Rear Window” star Grace Kelly, who retired from acting and became the princess of Monaco.

Set between Dec. 1961 and Nov. 1962, story sees retired starlet Kelly called upon to save Monaco from an escalating situation regarding its standing as a tax haven, with French leader Charles de Gaulle giving her husband, Monaco’s Prince Rainier III, six months to reform its tax laws. At the time, Callas was Aristotle Onassis’ girlfriend, so while he advised Prince Rainier, she befriended Kelly and became one of her closest confidantes.

Vega just reteamed with her “Talk to Her” helmer Pedro Almodovar on his new film “I’m So Excited,” which Sony Pictures Classics acquired back in June. Her past film credits include James L. Brooks’ “Spanglish” and the title role in 2001’s “Sex and Lucia.”

Vega is repped by WME, Management Production Entertainment and attorney Michael Eisner.